Phwtn
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Variety traits
Uniformity
Uniformity is an indicator of the homogeneity of a seed lot or plants in a crop based on traits such as size, height, maturity date, and habitus. High uniformity ensures even emergence and yield stability, which is critical for variety assessment and product quality.
Mentioned in descriptions 10 270 varieties reference book.
In agronomy and seed production, seed uniformity defines their homogeneity in size, most often thickness, which influences sowing quality. Crop uniformity characterizes the homogeneity of the plant stand in terms of height, phenological stage timing, and general plant habitus, which is important for the efficiency of mechanical harvesting.
During laboratory seed analysis, the indicator is expressed as a percentage representing the sum of the two most representative adjacent fractions. In variety testing, plant uniformity is evaluated visually or through the coefficient of variation of morphological traits. The lower the coefficient of variation, the higher the level of variety uniformity is considered to be.
The level of this trait depends on both the genetic characteristics of the variety and environmental conditions, including agronomic practices and meteorological factors during the seed formation period. Material with a uniformity of at least 80% is considered standard, and values below this threshold require mandatory calibration of the lot before sowing.
Breakdown by crop
Tomato Uniformity
81
Uniformity — White Cabbage
79
Barley grain uniformity
68
Carrot uniformity
51
Potato Uniformity
47
Uniformity — Cauliflower
45
Uniformity of lettuce
40
Pepper uniformity
38
Radish uniformity
31
Uniformity — Onion
30
Uniformity of cucumber
23
Sunflower uniformity
21
Uniformity — Onion
20
Uniformity — soft wheat
19
Uniformity — Broccoli
16
Triticale Uniformity
15
Watermelon Uniformity
14
Bean uniformity
14
Uniformity — Brussels sprout
13
Uniformity — Red Cabbage
12
Uniformity of zucchini
11
Uniformity — Leek
10
Uniformity of Chrysanthemum
10
Pea uniformity
10
Found in these crops
Varieties that feature this in their description
Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.
Phv92
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PB1458DMR
ActiveHelianthus annuus L. · Sunflower
Nidera S.A.
Pablo
ActiveSalvia hispanica L. · Chia
Christoph Gämperli
OVPEARLS01
ActiveEcheveria DC. · Echeveria
Ovata B.V.
Orinoco
TerminatedChrysanthemum L. · Chrysanthemum
Deliflor Royalties B.V
OVPEARLS04
ActiveEcheveria shaviana E. Walther
Ovata B.V.
Phvbs
ActiveZea mays L. · Maize
PIONEER OVERSEAS CORPORATION
PHHHN
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Pha283
ActiveHelianthus annuus L. · Sunflower
PIONEER HI-BRED INTERNATIONAL
Ph8v0
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Pactiodare
Activehybrids between Pelargonium peltatum and Pelargonium zonale · Ivy-leaved geranium
Martin Geibel c/o Elsner pac Jungpflanzen GbR
Pacsalkom
ActivePelargonium zonale (L.) L'Hér. · Horseshoe pelargonium
Michalik Andrea|Dresden, DE
Paceyepi
Application submittedPelargonium crispum (P. J. Bergius) L'Hér. · Crisped-leaf pelargonium
Martin Geibel c/o Elsner pac Jungpflanzen GbR
OVPEARLS08
ActiveEcheveria pulidonis E. Walther · Echeveria pulidonis
Ovata B.V.
PH4RF
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
PH76T
ActiveZea mays L. · Maize
PIONEER HI-BRED INTERNATIONAL
Origami
ActiveBrassica rapa L. subsp. nipposinica (L. H. Bailey) Hanelt · Mizuna
VILMORIN-MIKADO USA
PER1139
ActiveEuphorbia pulcherrima Willd. ex Klotzsch · Poinsettia
RUTH KOBAYASHI
PER1270
ActiveEuphorbia pulcherrima Willd. ex Klotzsch · Poinsettia
RUTH KOBAYASHI
NSG 465
ActiveFragaria x ananassa Duchesne ex Rozier · Garden strawberry
Tufaro Nicola
OVPEARLS05
ActiveEcheveria pulidonis E. Walther · Echeveria pulidonis
Ovata B.V.
NPCW13211
ActiveEuphorbia pulcherrima Willd. ex Klotzsch · Poinsettia
Klemm Nils / von Tubeuf Guido
Pactiocomcor
Activehybrids between Pelargonium peltatum and Pelargonium zonale · Ivy-leaved geranium
Martin Geibel c/o Elsner pac Jungpflanzen GbR